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एक उष्मशोषी परिवर्तन `XrarrY` के लिए अग्र तथा पश्च अभिक्रियाओं की संक्रियण उर्जाये क्रमशः `E_f" तथा "E_b` है कौन-सा कथन सही है

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एक उष्मशोषी परिवर्तन `XrarrY` के लिए अग्र तथा पश्च अभिक्रियाओं की संक्रियण उर्जाये क्रमशः `E_f" तथा "E_b` है कौन-सा कथन सही है
A. `E_bltE_f`
B. `E_bgtE_f`
C. `E_b=E_f`
D. दोनों में कोई सम्बन्ध नहीं
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1 Answer

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Best answer
`DeltaH=E_f-E_b`
`therefore" "DeltaH=+ve`
`therefore" "E_fgtE_b`
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